/**
 * COOKIE添加数据
 * @param {string} key 键
 * @param {string} val 值
 * @param {number} t 保存时间
 */
 function setCookie(key,val,t=10)
 {   
     if (typeof val == "object") val = JSON.stringify(val)
     const d = new Date
     d.setTime(d.getTime()-1000*60*60*8+1000*t)
     document.cookie = `${key}=${val}; expires = ${d}`
 }
 
 
 
 /**
  * COOKIE获取数据
  * @param {string} key 键
  * @returns 
  */
 function getCookie(key)
 {
     let temp = document.cookie.split("; ")
     for (i=0;i<temp.length;i++)
     {
         let item = temp[i]
         let tempArr = item.split("=")
         if (tempArr[0]==key) return tempArr[1]
     }
 }
 
 
 
 /**
  * COOKIE删除数据
  * @param {string} key 键
  */
 function removeCookie(key)
 {
     setCookie(key,null,-1)
 }